#!/usr/bin/ python3.8
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
seed = int(read())

A = 2140000000
B = 2155000000
lower = 0
upper = 0

nums = []
x, y, z, w = seed, 1, 2, 3
cnt = 0
max_w = 0
mask = (1 << 32) - 1
for _ in range(10 ** 7 + 1):
    t = x ^ ((x << 11) & mask)
    x, y, z = y, z, w
    w = (w ^ (w >> 19)) ^ (t ^ (t >> 8))
    if w < A:
        lower += 1
    elif w > B:
        upper += 1
    else:
        nums.append(w)

K = 5 * 10 ** 6
nums.sort()
print(nums[K - lower])